Table 2

Hierarchical regression to predict bicycle helmet use

Regression stepVariableMultiple RAdjusted R2Beta weightSignificance
F for total equation = 217.71, p<0.0001, df = 4/332.
Beta weights taken from last step of regression equation.
Step 1Helmet ownership0.8380.700.760.000
Step 2Belief helmets protect your head0.8450.71−0.110.000
Being in control v intervention0.8470.720.080.019
Being in parental intervention v not in parental intervention0.8500.72−0.070.039